19328421

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{19583}}^1$

素因数の和:19640

約数の個数: 16

約数和(自身を含む): 30081024

約数和(自身を除く): 10752603

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 19583, 58749, 137081, 411243, 920401, 2761203, 6442807, 19328421]

約数ペア:

[(1, 19328421), (3, 6442807), (7, 2761203), (21, 920401), (47, 411243), (141, 137081), (329, 58749), (987, 19583)]